NIGHT TRAIN — ORC Rating

GPH

604.9

OSN

590.4

LOA

10.778 m

Displacement

4750 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6924

Medium

0.9113

High

1.0313

Triple Offshore

Low

0.8889

Medium

1.1088

High

1.225

Boat Specifications

Dimensions

Length overall: 10.778 m
Beam: 3.53 m
Draft: 2.08 m
Displacement: 4750 kg
Crew weight: 623 kg
Wetted surface: 25.56 m²

Sails

Mainsail: 39.91 m²
Genoa: 47 m²
Spinnaker: 92.41 m²
Asymmetric spinnaker: 0 m²

Design

Type: THOMAS 35
Builder: TARTAN
Designer: G&S
Year built: 1989

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,42,5.140317,52,5.76,60,6.06,75,6.3,90,6.23,110,5.82,120,5.65,135,5.1,145,4.553489,150,4.3
8,40.5,6.023098,52,6.7,60,6.88,75,7,90,6.98,110,6.89,120,6.77,135,6.26,149,5.448178,150,5.39
10,38.6,6.384989,52,7.05,60,7.2,75,7.34,90,7.35,110,7.4,120,7.32,135,7.01,150,6.35,151.5,6.269791
12,37.5,6.504038,52,7.17,60,7.35,75,7.58,90,7.65,110,7.81,120,7.76,135,7.45,150,7.02,159,6.65181
14,37.1,6.594917,52,7.24,60,7.43,75,7.75,90,7.94,110,8.15,120,8.23,135,7.89,150,7.43,180,6.83
16,37.1,6.607455,52,7.28,60,7.48,75,7.85,90,8.18,110,8.39,120,8.66,135,8.37,150,7.84,180,7.28
20,36.9,6.702642,52,7.35,60,7.55,75,7.94,90,8.43,110,8.77,120,9.23,135,9.48,150,8.75,180,8.07

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.76	6.06	6.3	6.23	5.82	5.65	5.1	4.3
8	6.7	6.88	7	6.98	6.89	6.77	6.26	5.39
10	7.05	7.2	7.34	7.35	7.4	7.32	7.01	6.35
12	7.17	7.35	7.58	7.65	7.81	7.76	7.45	7.02
14	7.24	7.43	7.75	7.94	8.15	8.23	7.89	7.43
16	7.28	7.48	7.85	8.18	8.39	8.66	8.37	7.84
20	7.35	7.55	7.94	8.43	8.77	9.23	9.48	8.75

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.82	145°	3.73
8	40.5°	4.58	149°	4.67
10	38.6°	4.99	151.5°	5.51
12	37.5°	5.16	159°	6.21
14	37.1°	5.26	180°	6.83
16	37.1°	5.27	180°	7.28
20	36.9°	5.36	180°	8.07

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